How the Tortoise became a Hare: On the initial sclerosis and ultimate modernization of Dutch competition policy, in Cartel registers, Routledge, in Print (with Lilian Petit and Jarig van Sinderen)

Developing social impact requires the research agenda to move beyond conventional academic boundaries.( with Shyamika Jayasundara-Smits and Linda Johnson) LSE Impact of social sciences blog 20 November 2014

The return of the Cold Trade War? Voxeu, 06 November 2014

Russia’s tit for tat Voxeu 25 April 2014

Could Iranian sanctions work? ‘yes’ and ‘no’, but not ‘perhaps’ Voxeu 01 June 2013

The Economic Effectiveness of Diplomat Representation: An Economic Analysis of its Contribution to Bilateral Trade', The Hague Journal of Diplomacy 2011, pp. 101-120 (with Henri de Groot and Mina Yakop).

This time it’s different: Learning from world trade collapses’, Vox.EU.org, March 22, 2011, node/6258

The Significance of Political and Cultural Factors for International Economic Relations in: C.J. Jepma and A.P. Rhoen (eds), International Trade; A business perspective, Longman: Essex, 1996, pp. 195-212.

The Oil Embargo and the Intellectual: The academic debate on economic sanctions against South Africa, in: Shipping Research Bureau (ed.), Oil Sanctions Against South Africa: The Full Story, Amsterdam University Press: Amsterdam, 1995, pp. 338-345